public function onContentCacheClear(ContentCacheClearEvent $event)
{
$contentInfo = $event->getContentInfo();
$versionInfo = $this->contentService->loadVersionInfo($contentInfo);
foreach ($this->contentService->loadRelations($versionInfo) as $relation) {
foreach ($this->locationService->loadLocations($relation->getDestinationContentInfo()) as $relatedLocation) {
$event->addLocationToClear($relatedLocation);
}
}
// Using sudo since loading reverse relations is conditioned to content/reverserelatedlist permission and we don't need this check here.
/** @var \eZ\Publish\API\Repository\Values\Content\Relation[] $reverseRelations */
$reverseRelations = $this->repository->sudo(function () use($contentInfo) {
return $this->contentService->loadReverseRelations($contentInfo);
});
foreach ($reverseRelations as $reverseRelation) {
foreach ($this->locationService->loadLocations($reverseRelation->getSourceContentInfo()) as $relatedLocation) {
$event->addLocationToClear($relatedLocation);
}
}
}
/**
* Loads all incoming relations for a content object.
*
* The relations come only from published versions of the source content objects
*
* @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException if the user is not allowed to read this version
*
* @param \eZ\Publish\API\Repository\Values\Content\ContentInfo $contentInfo
*
* @return \eZ\Publish\API\Repository\Values\Content\Relation[]
*/
public function loadReverseRelations(ContentInfo $contentInfo)
{
return $this->service->loadReverseRelations($contentInfo);
}
